LiftMaster 3850 Support Question
LiftMaster 3850 Support Question
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Question posted by Gabsco on September 16th, 2014
Liftmaster 3850 What Happens When The Backup Battery System Beeps
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Related LiftMaster 3850 Manual Pages
3850 Elite Series Manual - Page 1
...;
GARAGE DOOR OPENER Models 3850
3850-267
For Residential Use Only
Com Details
The Chamberlain Group, Inc. 845 Larch Avenue Elmhurst, Illinois 60126-1196 www.liftmaster.com
patible with
See Page 29 for
Owner's Manual
■ Please read this manual and the enclosed safety materials carefully! ■ Fasten the manual near the garage door after installation. ■ The door...
3850 Elite Series Manual - Page 2
... the Protector System 25
Operation
26-33
Operation safety instructions 26
Using garage door opener 26
Using the wall-mounted door control 27
Using the remote control 28
Troubleshooting 28
The remote control battery 28
EverCharge® Standby Power System (optional 29
To open the door manually 30
Care of serious injury or death if you do...
3850 Elite Series Manual - Page 3
... are under EXTREME tension.
• Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing and operating garage door opener to avoid malfunction and damage. To prevent damage to garage door and opener:
• ALWAYS disable locks BEFORE installing and operating the opener.
• ONLY operate garage door opener at 120V, 60 Hz to avoid entanglement.
Lift the...
3850 Elite Series Manual - Page 5
... 3850 (1) 3850-267 (2)
SECURITY✚® Keyless Entry Model 3850-267 (1) ONLY
Motor Unit with Light Lenses
2-Conductor Bell Wire White & White/Red
Belt Pulley Bracket
Trolley
Optional EBvearttCehryarge® Stan(PdbacykPeodwSeerpSaryastteelym) (battery)...below . Accessories will depend on the model purchased.
Carton Inventory
Your garage door opener is packaged in the foam.
3850 Elite Series Manual - Page 6
...1 Attach the Rail to the Motor Unit
To avoid installation difficulties, do not run the garage door opener until the spring releases and snaps the nut ring against the trolley (Figure 3). Use only ...
Nut Ring Slots
Figure 2
Use of motor unit. Rotate about 1/4 turn until instructed to door opener. • Position belt over belt pulley. Washered Bolt 5/16"-18x1/2"
Rail Hole
USE ONLY...
3850 Elite Series Manual - Page 7
... of reach of children at minimum height of 5 feet (1.5 m).
• away from electrocution, disconnect ALL electric and battery power BEFORE performing ANY service or maintenance.
7 READ AND FOLLOW ALL INSTALLATION WARNINGS AND INSTRUCTIONS.
2. Install garage door opener ONLY on contact with #8x3/8" hex screws provided. NEVER wear watches, rings or loose clothing while installing...
3850 Elite Series Manual - Page 11
... the motor unit. Slide the outer trolley toward the motor unit. Header Bracket
Top of Motor Unit
Top of door. You will need help at this point.
To prevent damage to garage door, rest garage door opener rail on 2x4 placed on the trolley release arm to the floor, measure the distance from ceiling. ENGAGED
Trolley...
3850 Elite Series Manual - Page 12
... (Not Provided)
Bolt 5/16"-18x7/8" Lock Washer 5/16" Nut 5/16"-18
Hidden Support
- Remove foam packaging. Check to required lengths. 3. Measure the distance from a falling garage door opener, fasten it SECURELY to structural supports of the motor unit to the hanging brackets with the header bracket if the bracket is not centered above...
3850 Elite Series Manual - Page 13
... operate the same garage door opener, it may damage the LCD screen. DO NOT connect power and operate the opener at lower temperatures although the door control remains fully functional.
To prevent possible SERIOUS INJURY or DEATH from a closing garage door. NEVER permit anyone to cross path of closing garage door: • Install door control within sight of door, at a minimum...
3850 Elite Series Manual - Page 14
... unplugged. • Using a Phillips head screwdriver, remove the battery cover on
the motor unit. • Partially insert battery into motor unit with terminals facing
out. • Connect the red (+) and black (-) wires from motor unit to close the lens.
• Use A19, standard neck garage door opener bulbs for approximately 4-1/2 minutes when power is connected...
3850 Elite Series Manual - Page 15
... installation difficulties, do not run the opener at this time.
RIGHT
WRONG
If permanent wiring is required by your garage door opener has a grounding type plug with ALL...DEATH from electrocution or fire:
• Disconnect ALL electric and battery power BEFORE performing ANY service or maintenance.
• Garage door installation and wiring MUST be grounded.
• Reinstall the ...
3850 Elite Series Manual - Page 16
... Reversing Sensor 6" (15 cm) max. INSTALLATION STEP 11 Install The Protector System®
The safety reversing sensor must be connected and aligned correctly before the garage door opener will detect an obstacle in the path of its electronic beam. If an obstruction breaks the light beam while the...
3850 Elite Series Manual - Page 24
... flat) on contact with proper operation of force required to close the door (DOWN). If the door is not sticking or binding. Push the purple button twice to be set properly. The door will open and close (DOWN).
3.
If the garage door opener cannot open (UP).
4. Door MUST reverse on floor.
The LED will stop flashing when the force...
3850 Elite Series Manual - Page 25
... the Safety Reverse Test, call for a trained door systems technician.
NOTE: On a sectional door, make sure limit adjustments do not force the door arm beyond a straight up and down direction.
ADJUST
• If the door stops on the obstruction, it is misaligned or obstructed).
The garage door opener will flash. Door MUST reverse on contact with 1-1/2" high (3.8 cm...
3850 Elite Series Manual - Page 26
... one Security✚® Keyless Entry System. Failure to disengage trolley ONLY when garage door is activated. Using Your Garage Door Opener
Your Security✚® opener and hand-held remote. Garage door MUST reverse on when someone walks through the open position, it is misaligned, the door won't close from a hand-held remote control have been factory-set to...
3850 Elite Series Manual - Page 31
...door opener beeps: • A solid LED with beep, sounding approximately every 2 seconds, indicates the motor unit is activating the door and is operating off when door is open: • The garage door opener is approximately 1-1/4" (3.18 cm) in length.
• If the trolley does not move in particular can affect door travel .
5. Having a Problem (Troubleshooting)
NOTE: Always unplug battery...
3850 Elite Series Manual - Page 32
.... Bell Wire
Safety Reversing Sensor
Diagnostic Chart
Diagnostics Located On Motor Unit
"Learn" Button LED or Diagnostic LED "Learn" Button
Installed Safety Reversing
Sensor
Your garage door opener is programmed with jumper wire. Symptom: One or both of times then pause signifying it has found a potential issue.
3850 Elite Series Manual - Page 34
... From Motor Unit Memory
To deactivate any Security✚® 3-button remote or mini-remote can be circumvented.
PROGRAMMING
NOTICE: If this Security✚® garage door opener is factory programmed to operate it has learned the code. Reprogram each remote or keyless entry you press the large push button. Below are now...
3850 Elite Series Manual - Page 35
... chosen, then press Enter. To set the number of your garage door opener. The opener light will blink twice.
One Button Close: Opener can be used up to 0 in step 3. To activate or...changed by pressing the new PIN, then press Enter. The keypad will no longer open the door. The opener light will blink three times. Press the temporary 4-digit PIN you have chosen, then...
3850 Elite Series Manual - Page 38
...Provides backup power to protect LiftMaster® garage door openers against damage from lightning and power surges.
38
SECURITY✚® 3-Button Mini Remote Control : With key ring and fastening strip.
ACCESSORIES
1702LM
Outside Quick Release:
Required for visitors or service persons. Includes battery. Surge Protector: The Garage Door Opener Surge Protector is open garage door...
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